Home / 9,557.80-13,196.12-7,042.75

Finding the Fourth Proportional to 9,557.80, 13,196.12 and 7,042.75

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Solution

The fourth proportional to 9,557.80, 13,196.12 and 7,042.75 is: 9,723.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,557.80 : 13,196.12 = 7,042.75 : x
  2. Step 2: Convert to fraction form
    9,557.80/13,196.12 = 7,042.75/x
  3. Step 3: Cross multiply
    9,557.80x = 13,196.12 × 7,042.75
  4. Step 4: Simplify right side
    9,557.80x = 92,936,905.93
  5. Step 5: Solve for x
    x = 92,936,905.93/9,557.80
  6. Step 6: Final answer
    x = 9,723.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.